The "'Stereoautograph "'is a complex opto-mechanical measurement instrument for the evaluation of analog or digital photograms.
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This was assisted by new technology; Carl Pulfrich's stereocomparator ( 1901 ) and Eduard Ritter von Orel's stereoautograph ( 1907 ), both instruments built by the company Carl Zeiss.
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Particularly important sites were measured, from the images, using Swiss stereoautograph machines made by Wild ( Heerbrugg ) and physical models made to facilitate understanding of what was there or what it was for.
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Named by the United Kingdom Antarctic Place-Names Committee ( UK-APC ) in 1960 for Eduard von Orel ( 1877 1941 ), Austrian surveyor who in 1905 designed the first stereoautograph for plotting maps directly from horizontal photographs.
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